[submodule]: Updated sonic-utilities pointer (#3715)

- [warm/fast reboot] continue executing when killing docker failed (#713) [Ying Xie]
- [neighbor_advertiser]: Add sleep in setting mirror session and ACL rules(#714)[Shuotian Cheng]
- [config]: Flush the neighbor table when removing the router interface(#606) [Shuotian Cheng]
- Add a generic configlet application script (#716) [Renuka Manavalan]
- Management vrf snmp cli support (#472) [Harish Venkatraman]
- show subinterfaces status (#642) [Wenda Ni]
- sonic-utilities: Add support for sFlow (#592) [Garrick He]

Author: Sudharsan D.G